EP1490252B1 - Federspeicherbremszylinder - Google Patents
Federspeicherbremszylinder Download PDFInfo
- Publication number
- EP1490252B1 EP1490252B1 EP03744832A EP03744832A EP1490252B1 EP 1490252 B1 EP1490252 B1 EP 1490252B1 EP 03744832 A EP03744832 A EP 03744832A EP 03744832 A EP03744832 A EP 03744832A EP 1490252 B1 EP1490252 B1 EP 1490252B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- piston
- intermediate flange
- rear cylinder
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000009423 ventilation Methods 0.000 claims description 37
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000005476 soldering Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 239000012528 membrane Substances 0.000 description 52
- 238000003860 storage Methods 0.000 description 28
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/08—Brake cylinders other than ultimate actuators
- B60T17/083—Combination of service brake actuators with spring loaded brake actuators
Definitions
- the invention relates to a pneumatic actuator for the Brake system of a vehicle.
- pneumatic actuators are often designed as a spring brake cylinder (see, for example, DE-U-200 22 245 and DE-3 404 014) having a rear cylinder in which a rear piston slidably arranged.
- One side of the rear piston and the inner wall of the rear cylinder form a rear one Ventilation chamber off.
- the rear ventilation chamber is completed by an intermediate flange, which will pass through a sliding bar, which rests on the rear piston. The sliding bar can be moved by the rear piston in the intermediate flange.
- a front ventilation chamber provided by one in a front cylinder movable front piston is limited.
- On the front side the front piston is an actuating rod for a Brake element of the brake system of the vehicle provided. Of the rear pistons and the front pistons stand over the Move rod so in contact with each other that the front Piston is displaceable by the rear piston.
- the intermediate flange inside the rear cylinder or in the Inside the front cylinder was added. It is the front cylinder attached to the rear cylinder.
- the actuator according to the invention can be stacked build up, for example, in one operation, the rear Cylinder with the components arranged therein and in one other operation the front cylinder with the corresponding Components.
- the actuator according to the invention can be stacked build up, for example, in one operation, the rear Cylinder with the components arranged therein and in one other operation the front cylinder with the corresponding Components.
- the actuator according to the invention can be stacked build up, for example, in one operation, the rear Cylinder with the components arranged therein and in one other operation the front cylinder with the corresponding Components.
- the actuator according to the invention can be stacked build up, for example, in one operation, the rear Cylinder with the components arranged therein and in one other operation the front cylinder with the corresponding Components.
- the actuator according to the invention can be stacked build up, for
- a reliable connection between rear cylinder and front cylinder can be through a positive connection for example via a screw thread connection or via a compound prepared by a reforming step to reach. It is particularly appropriate, a wall of the front cylinder and a wall of the rear cylinder to connect with each other through a rolled area. Advantageously, it is in one of the walls of the a paragraph on the front cylinder or the rear cylinder provided over an area of the other cylinder rolled becomes. This allows particularly durable connections between the rear cylinder and the front cylinder, being a reliable connection over the entire circumference of the housing of the respective cylinder can be produced.
- a particularly advantageous embodiment of the invention results when the front piston or the rear piston a substantially circular or annular flexible membrane which is in the area of its outer Membrane edge with the wall of the front cylinder or connected to the rear cylinder.
- the edge of the membrane between the wall framed by the cylinder and the intermediate flange is the edge of the membrane between the wall framed by the cylinder and the intermediate flange.
- pneumatic actuator can be such a connection manufactured in a particularly simple and reliable way become.
- the inventive pneumatic actuator in a simple way by a single Work step to be finished and sealed.
- the production method according to the invention provides, that the front cylinder in a final step with the rear cylinder is connected, wherein the fastening the front cylinder to the rear cylinder by welding, Screws, soldering, rollers and / or clamps with a cuff can be done.
- FIG. 1 shows a cross section through a first spring brake cylinder 1.
- the spring brake cylinder 1 has a pot-shaped rear cylinder 2, made of sheet steel is.
- a rear piston. 3 provided, via a circumferential seal 4 against the inner wall of the rear cylinder 2 is sealed.
- Rear Piston 3 is lijnsverschie closing.im in the rear cylinder 2 arranged.
- On the back of the rear piston 3 a memory spring 5 is provided which extends in a floor area 6 of the rear cylinder 2 is supported.
- the bottom portion 6 Opposite the bottom portion 6 is the wall of the rear cylinder 2 extended to a receiving area 7 formed.
- a circular disk-shaped intermediate flange 8 taken on the outside with a O-ring 9 sealed relative to the receiving area 7 airtight is.
- the intermediate flange 8 has in the region of his Symmetryeachse a passage opening 10 in which an am gur.Kolben 3 trained shift rod 11 out is.
- a rubber seal 12 is introduced for sealing is between the sliding rod 11 and the through hole 10.
- a recess 14 is provided at their exit point in the area of the receiving area 7 .
- About the ventilation opening 13 may be one of the intermediate flange 8, formed by the rear cylinder 2 and the rear piston 3 rear ventilation chamber 15 supplied with compressed air be so that the rear piston 3 against the pressure force of Memory spring 5 moves in the position shown in Figure 1 can be.
- the front cylinder closes 20, which is cup-shaped made of sheet steel.
- the Front cylinder 20 has a flanged fastening edge 21 on the heel-shaped on the outside of the protrudes front cylinder 20.
- the receiving area 7 is thereby bent over with a rolling process that the fastening edge 21 is held axially.
- It is between the Fixing edge 21 and the intermediate flange 8 is a circular disc-shaped flexible rubber membrane 22 is provided, the one front ventilation chamber 23 limited.
- the front ventilation chamber 23 is also still from one side of the intermediate flange 8 and from an area passing through the intermediate flange 8 protruding sliding rod 11 is formed.
- the front ventilation chamber 23 may be selectively pressurized be charged.
- a pressure plate 24 In the inner region of the rubber membrane 22 is a pressure plate 24 with one in the region of the axis of symmetry of the first Spring brake cylinder 1 extending actuating rod 25 provided.
- the pressure plate 24 is thereby of a return spring 26 always pressed against the rubber membrane 22.
- a in the pressure plate 24 provided centering opening 27 includes while a formed in the rubber membrane 22 Zentriernoppen 28, so that the position of the actuating rod 25 at a Movement of the pressure plate 24 and the rubber membrane 22 within a desired range remains.
- the outer edge of the rubber membrane 22 is namely by the present design of the rear cylinder 2, from the intermediate flange 8, from the fastening edge 21 and from the wedge-shaped in the fastening area in cross-section Edge of the rubber membrane 22 is particularly reliable and tight.
- first spring brake cylinder 1 For assembling the first spring brake cylinder 1 is Proceed as follows. In a first manufacturing step the rear cylinder 2 is provided. thereupon the accumulator spring 5 together with the rear piston. 3 inserted into the rear cylinder 2. Subsequently, the Inserted intermediate flange 8 in the rear cylinder 2, so that this comes to rest in the receiving area 7. Subsequently the rubber membrane 22 is placed on the intermediate flange 8, so that its outer edge in the receiving area 7 on the inner wall of the rear cylinder 2 is applied.
- FIG. 2 shows a second spring brake cylinder 35 in FIG Cross-section.
- the second spring brake cylinder 35 is divided in a rear cylinder 36, the cup-shaped Steel plate is made, as well as in a front cylinder 20 ', which, together with the components housed in it essentially corresponds to the front cylinder 20 of Figure 1.
- the fastening edge 21 'of the front cylinder 20' has a larger diameter than the corresponding mounting edge 21 of the front cylinder 20 of Figure 1.
- the rear cylinder 36 is thereby forming a paragraph 37 to a Recording area 38 extended.
- On the bottom of the rear cylinder 36 is a memory spring 39 is provided, the against a memory spring pressure plate 40 is prestressed.
- Farther is a mechanical restoring device, not shown here provided for actuating the accumulator spring pressure plate 40, with the memory spring 39 in the position shown in Figure 2 can be compressed.
- a storage membrane 41st provided of elastic material.
- the storage membrane 41 lies on its outer edge, where it is a wedge-shaped Cross section, at paragraph 37 in the receiving area 38 on.
- the storage membrane engages 41 with a centering cam 42 in a centering 43 of the Memory spring pressure plate 40 a.
- a storage membrane return spring 44 presses over a memory membrane plate 45 Memory membrane 41 to the accumulator spring pressure plate 40 at.
- a Displacement rod 46 is provided, which extends in the direction of the axis of symmetry of the rear cylinder 36 extends.
- the sliding bar 46 is in an air-tight area a fertilflanscheinsatzes 47 out in a central Opening an intermediate flange 48 is inserted.
- an intermediate flange 48 is in turn is in the receiving area 38 of rear cylinder 36 is inserted, wherein the intermediate flange 48, the storage membrane 41 is clamped against the shoulder 37.
- a rear ventilation chamber 49 which has a Rear ventilation opening in a peripheral area of the intermediate flange 48 and a rear recess 51 in the receiving area 38 can be acted upon with compressed air.
- the Displacement rod of the intermediate flange 48 forms this together with the rubber membrane 22 in the front cylinder 20 'the front ventilation chamber 23 ', which has a front ventilation opening 52 in the intermediate flange 48 and a front Recess 53 in the receiving area 38 can be acted upon with compressed air is.
- the operation of the second spring brake cylinder 35th essentially corresponds to those known from the prior art Spring brake cylinders.
- the memory spring 39 in the position shown in Figure 2 are moved.
- the front ventilation chamber 23 'with compressed air can the actuating rod 25 for moving one in this View not shown brake element of a brake system one Vehicle be initiated.
- the procedure is as follows. First, the rear cylinder 36 provided, with inserted memory spring 39 and accumulator spring pressure plate 40. Thereafter, the storage membrane 41 inserted into the receiving area 38, so that the edge region of which lies on the shoulder 37. Subsequently becomes the storage membrane plate 45, the shift rod 46 and the intermediate flange 48 with the septflanscheinsatz 47 inserted into the receiving area 38. Subsequently is the front cylinder 20 'with the contained therein Components including the rubber membrane 22 in the Inserted receiving area 38, wherein the entire second spring brake cylinder 35 with a not shown in Figure 2 Clamping device compressed along its axis of symmetry becomes.
- FIG. 3 shows a third spring brake cylinder 60 in FIG Cross-section.
- the third spring brake cylinder 60 is divided in a rear cylinder 61, the cup-shaped Steel plate is made, as well as in a front cylinder 20 ", which, together with the components contained in it substantially corresponds to the front cylinder 20 of Figure 1.
- a storage spring 62 In the bottom area of the rear cylinder 61 is a storage spring 62 together with a storage spring pressure plate 63 is provided.
- an insert ring 64 in the rear cylinder 61 inserted on the inner wall of the rear cylinder 61 is present. From the bottom of the rear cylinder 61 opposite end of the insert ring 64 extending from a storage membrane 65 through the rear cylinder 61st In this case, the cross-sectionally wedge-shaped edge is located the storage membrane 65 on the edge of the insert ring 64, the at this point with a tendency from the inside out is provided to the wall of the rear cylinder 61 out.
- the storage membrane 65 On on its inside, the storage membrane 65 has a centering cam 66, which in a centering opening 67 in the accumulator spring pressure plate 63 engages.
- an intermediate flange 68 used, which at its the storage membrane 65 facing Side one out to the wall of the rear cylinder 61 inclined sloping region has. This area is located on the edge region of the storage membrane 65 on.
- the intermediate flange 68 has a Swissflanscheinsatz 69 in the middle, in which a sliding rod 70 is movably guided.
- the Sliding rod 70 has at its bottom to the rear of the cylinder 61 facing side a memory membrane plate 71.
- a memory membrane return spring 72 extends.
- a rear ventilation chamber 73 formed over Aerator not shown in this view with compressed air can be acted upon.
- the third spring brake cylinder 60 operates substantially such as known in the art spring brake cylinder, namely by applying the rear Ventilation chamber 73 and the front ventilation chamber 23 "with compressed air 25 "a brake element not shown in this view a brake system of a vehicle are actuated.
- the rear cylinder becomes 61 provided.
- the rear cylinder 61 become sequential the storage spring 62, the insert ring 64, the Memory spring pressure plate 63 and the storage membrane 65 used.
- the storage membrane plate 71, the Memory membrane return spring 72 and the intermediate flange 68th together with the intermediate flange 69 and the sliding rod 70 used until these in the shown in Figure 3 To come to a standstill.
- the rubber membrane 22 ' inserted so that its outer edge portion 75 in the rubber melt groove 74 comes to rest.
- Last is the front cylinder 20 "inserted into the rear cylinder 61.
- the third spring brake cylinder 60 is doing in total in his Longitudinal direction with a not shown in this view Clamping device compressed so that the rubber membrane 22 "with its outer edge region 75 firmly into the rubber melt groove 74 is pressed.
- the outer edge region of the Storage membrane 65 between the intermediate flange 68 and the Insert ring 64 compressed.
- the projecting edge of the rear cylinder 61 so around the attachment edge 21 "of the front cylinder 20" rolled that a firm connection between front cylinder 20 "and rear Cylinder 61 is created.
- a reversal of the arrangement between the front cylinder and the rear cylinder provided so that substantially all Components are first inserted into the front cylinder.
- the rear cylinder then becomes the front cylinder what is the connection between front and back rear cylinder takes place.
- the connection between front and rear cylinder can in particular also by a Threaded connection, by a clamp or by a Clamping collar done.
- the front and the rear cylinder electrically to weld together to connect these.
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
- Braking Arrangements (AREA)
- Actuator (AREA)
- Springs (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Description
- Figur 1
- zeigt einen ersten Federspeicherbremszylinder im Querschnitt,
- Figur 2
- zeigt einen zweiten Federspeicherbremszylinder im Querschnitt und
- Figur 3
- zeigt einen dritten Federspeicherbremszylinder im Querschnitt.
- 1
- Federspeicherbremszylinder
- 2
- hintere Zylinder
- 3
- hintere Kolben
- 4
- Dichtung
- 5
- Speicherfeder
- 6
- Bodenbereich
- 7
- Aufnahmebereich
- 8
- Zwischenflansch
- 9
- O-Ring
- 10
- Durchgangsöffnung
- 11
- Verschiebestange
- 12
- Gummidichtung
- 13
- Belüftungsöffnung
- 14
- Aussparung
- 15
- hintere Belüftungskammer
- 20', 20"
- vordere Zylinder
- 21', 20"
- Befestigungsrand
- 22"
- Gummimenbran
- 23', 23"
- Belüftungskammer
- 24"
- Druckplatte
- 25"
- Betätigungsstange
- 26
- Rückstellfeder
- 27
- Zentrieröffnung
- 28
- Zentriernoppen
- 29
- Faltenbalg
- 30
- Austrittsöffnung
- 31
- Befestigungsbolzen
- 35
- zweiter Federspeicherbremszylinder
- 36
- hinterer Zylinder
- 37
- Absatz
- 38
- Aufnahmebereich
- 39
- Speicherfeder
- 40
- Speicherfederdruckplatte
- 41
- Speichermembran
- 42
- Zentriernocken
- 43
- Zentrieröffnung
- 44
- Speichermembranrückstellfeder
- 45
- Speichermembranplatte
- 46
- Verschiebestange
- 47
- Zwischenflanscheinsatz
- 48
- Zwischenflansch
- 49
- hintere Belüftungskammer
- 50
- hintere Belüftungsöffnung
- 51
- hintere Aussparung
- 52
- vordere Belüftungsöffnung
- 53
- vordere Aussparung
- 60
- dritter Federspeicherbremszylinder
- 61
- hintere Zylinder
- 62
- Speicherfeder
- 63
- Speicherfederdruckplatte
- 64
- Einsatzring
- 65
- Speichermembran
- 66
- Zentriernocken
- 67
- Zentrieröffnung
- 68
- Zwischenflansch
- 69
- Zwischenflanscheinsatz
- 70
- Verschiebestange
- 71
- Speichermembranplatte
- 72
- Speichermembranrückstellfeder
- 73
- hintere Belüftungskammer
- 74
- Gummimenbrannut
- 75
- Außenrandbereich
Claims (7)
- Pneumatischer Aktuator (1; 35; 60) für die Bremsanlage eines Fahrzeugs, insbesondere Federspeicherbremszylinder, der die folgenden Merkmale aufweist:einen hinteren Zylinder (2; 36; 61), in dem ein hinterer Kolben (3; 41, 45; 65, 71) verschieblich angeordnet ist,eine Seite des hinteren Kolbens (3; 41, 45; 65, 71) und die Innenwand des hinteren Zylinders (2; 36; 61) bilden eine hintere Belüftungskammer (15; 49; 73) aus,auf der anderen Seite des hinteren Kolbens (3; 41, 45; 65, 71) ist eine Speicherfeder (5; 39; 62) vorgesehen,einen vorderen Zylinder (20, 20', 20"), in dem ein vorderer Kolben (22, 24; 22'', 24'') beweglich angeordnet ist,eine Hinterseite des vorderen Kolbens (22, 24; 22", 24") und die Innenwand des vorderen Zylinders (20, 20', 20") bilden eine vordere Belüftungskammer (23, 23', 23") aus,an einer Vorderseite des vorderen Kolbens (22, 24; 22'', 24'') ist eine Betätigungsstange (25, 25") für ein Bremselement der Bremsanlage vorgesehen,der hintere Kolben (3; 41, 45; 65, 71) und der vordere Kolben (22, 24; 22" , 24'') stehen über eine Verschiebestange (11; 46; 70) so miteinander in Kontakt, daß der vordere Kolben (22, 24; 22", 24") durch den hinteren Kolben (3; 41, 45; 65, 71) verschiebbar ist,im Bereich zwischen vorderem Zylinder (20, 20', 20") und hinterem Zylinder (2; 36; 61) ist ein Zwischenflansch (8; 48; 68) vorgesehen, den die Verschiebestange (11; 46; 70) durchtritt,der Zwischenflansch (8; 48; 68) ist entweder nur im Inneren des hinteren Zylinders (2; 36; 61) oder im Inneren des vorderen Zylinders (20, 20', 20'') in einem erweiterten Aufnahmebereich (7; 38) aufgenommen,der vordere Zylinder (20, 20', 20'') und der hintere Zylinder (2; 36; 61) sind formschlüssig miteinander verbunden, wobei der äußere Membranrand einer Gummimembran (22; 22'; 22'') an einer Seite an dem Zwischenflansch (8; 48; 68) und an der anderen Seite an der Verbindung von vorderem und hinterem Zylinder anliegt.
- Pneumatischer Aktuator nach Anspruch 1,
dadurch gekennzeichnet, daß
eine Wandung des vorderen Zylinders (20, 20', 20") und eine Wandung des hinteren Zylinders (2; 36; 61) durch einen gerollten Bereich einer Wandung mit einem Absatz (21, 21', 21") der anderen Wandung miteinander verbunden sind. - Pneumatischer Aktuator nach einem der vorhergehenden Ansprüche ,
dadurch gekennzeichnet, daß
der vordere Kolben (22, 24; 22'', 24'') eine im wesentlichen kreisscheibenförmige oder kreisringförmige flexible Membran aufweist, die im Bereich ihres äußeren Membranrandes (75) mit der Wandung des vorderen Zylinders (20, 20', 20") verbunden ist, wobei der Membranrand (75) zwischen der Wandung des vorderen Zylinders (20, 20', 20") und dem Zwischenflansch (8; 48; 68) eingefaßt ist. - Pneumatischer Aktuator nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß
der hintere Kolben (41, 45; 65, 71) eine im wesentlichen kreisscheibenförmige oder kreisringförmige flexible Membran aufweist, die im Bereich ihres äußeren Membranrandes mit der Wandung des hinteren Zylinders (36; 61) verbunden ist, wobei der Membranrand zwischen der Wandung des hinteren Zylinders (36; 61) und dem Zwischenflansch (48; 68) eingefaßt ist. - Verfahren zur Montage eines pneumatischen Aktuators für die Bremsanlage eines Fahrzeugs, insbesondere eines Federspeicherbremszylinders, das die folgenden Schritte aufweist:a) Vorsehen eines hinteren Zylinders (2; 36; 61),b) Einbringen einer Speicherfeder (5; 39; 62) in den hinteren Zylinder (2; 36; 61),c) Einbringen eines hinteren Kolbens (3; 41, 45; 65, 71) in den hinteren Zylinder (2; 36; 61),d) Einbringen eines Zwischenflansches (8; 48; 68) in den hinteren Zylinder (2; 36; 61),e) Befestigen eines vorderen Zylinders (20, 20', 20"), in dem ein vorderer Kolben (22, 24; 22'', 24") mit einer Betätigungsstange für ein Bremselement der Bremsanlage beweglich angeordnet ist, an dem hinteren Zylinder (2; 36; 61) unter Einschluß des Randes einer flexiblen Membran (22), so daß der hintere Zylinder (2; 36; 61) und der vordere Zylinder (20, 20', 20") über eine den Zwischenflansch (8; 48; 68) durchtretende Verschiebestange (11; 46; 70) miteinander in Kontakt stehen, wobei der vordere Kolben (22, 24; 22", 24") durch den hinteren Kolben (3; 41, 45; 65, 71) verschiebbar ist,
- Verfahren zur Montage eines pneumatischen Aktuators für die Bremsanlage eines Fahrzeugs, insbesondere eines Federspeicherbremszylinders, das die folgenden Schritte aufweist:a) Vorsehen eines hinteren Zylinders,b) Einbringen einer Speicherfeder in den hinteren Zylinder,c) Einbringen eines hinteren Kolbens in den hinteren Zylinder,d) Vorsehen eines vorderen Zylinders, in dem ein vorderer Kolben mit einer Betätigungsstange für ein Bremselement der Bremsanlage beweglich angeordnet ist,e) Einbringen eines Zwischenflansches in den vorderen Zylinder,f) Befestigen eines vorderen Zylinders an dem hinteren Zylinder, unter Einschluß des Randes einer flexiblen Membran, so daß der hintere Zylinder und der vordere Zylinder über eine den Zwischenflansch durchtretende Verschiebestange miteinander in Kontakt stehen, wobei der vordere Kolben durch den hinteren Kolben verschiebbar ist,
- Verfahren nach Anspruch 5 oder Anspruch 6,
dadurch gekennzeichnet, daß
das Befestigen in Schritt e) durch Schweißen, Schrauben, Löten, Rollen und/oder Klemmen mit einer Manschette erfolgt.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10214033 | 2002-03-27 | ||
DE10214033A DE10214033B4 (de) | 2002-03-27 | 2002-03-27 | Federspeicherbremszylinder |
PCT/EP2003/002972 WO2003080416A1 (de) | 2002-03-27 | 2003-03-21 | Federspeicherbremszylinder |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1490252A1 EP1490252A1 (de) | 2004-12-29 |
EP1490252B1 true EP1490252B1 (de) | 2005-11-16 |
Family
ID=28050960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03744832A Expired - Lifetime EP1490252B1 (de) | 2002-03-27 | 2003-03-21 | Federspeicherbremszylinder |
Country Status (11)
Country | Link |
---|---|
US (1) | US7866765B2 (de) |
EP (1) | EP1490252B1 (de) |
CN (1) | CN1296240C (de) |
AT (1) | ATE309935T1 (de) |
AU (1) | AU2003226686A1 (de) |
BR (1) | BR0308716B1 (de) |
DE (2) | DE10214033B4 (de) |
DK (1) | DK1490252T3 (de) |
ES (1) | ES2252684T3 (de) |
HK (1) | HK1078836A1 (de) |
WO (1) | WO2003080416A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004052665B4 (de) * | 2004-10-29 | 2021-09-16 | Audi Ag | Antriebsanordnung |
DE102007041769A1 (de) * | 2007-09-04 | 2009-03-05 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Federspeicherbremszylinder mit verrastetem Anschlagkörper |
US10626939B2 (en) * | 2010-07-07 | 2020-04-21 | Haldex Brake Products Corporation | Adhesive attachment of the disc brake pushrod plate to the diaphragm |
CN102644737A (zh) * | 2012-04-01 | 2012-08-22 | 包头北方创业股份有限公司 | 一种制动缸密封结构 |
DE102015116161B4 (de) | 2015-09-24 | 2021-05-20 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Scheibenbremse |
CN112283272B (zh) * | 2020-12-25 | 2021-05-04 | 江苏恒鑫正宏科技有限公司 | 一种内呼吸盘式弹簧制动气室 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1655762C3 (de) * | 1966-10-26 | 1975-10-16 | Wabco Westinghouse Gmbh, 3000 Hannover | Kombinierter Druckluft-und Federspeicherbremszylinder, insbesondere für Kraftfahrzeuge |
US3636822A (en) * | 1970-04-06 | 1972-01-25 | Berg Manufacturing Co | Dual line brake |
DE2105662C3 (de) * | 1971-02-06 | 1978-11-16 | Knorr-Bremse Gmbh, 8000 Muenchen | Kombinierter Druckluft- und Federspeicher-Bremszylinder |
GB1405620A (en) * | 1972-12-09 | 1975-09-10 | Bendix Westinghouse Ltd | Piston and cylinder apparatus |
DE2302539C3 (de) * | 1973-01-19 | 1980-11-27 | Knorr-Bremse Gmbh, 8000 Muenchen | Aufhängevorrichtung für Magnetschienenbremsen |
US3977308A (en) * | 1974-03-18 | 1976-08-31 | Aeroquip Corporation | Double piston brake actuator |
DE3041110A1 (de) * | 1980-10-31 | 1982-06-09 | The Echlin Manufacturing Co., 06405 Branford, Conn. | Bremszylinder |
DE3404014A1 (de) * | 1984-02-06 | 1985-08-08 | Robert Bosch Gmbh, 7000 Stuttgart | Kombinierter einkammer-membran-bremszylinder und federspeicher-bremszylinder |
US5205205A (en) * | 1987-11-06 | 1993-04-27 | Indian Head Industries, Inc. | Tamper resistant brake actuator |
US4850263A (en) * | 1988-01-07 | 1989-07-25 | Overland Brakes, Inc. | Spring brake construction and method of manufacture thereof |
US5285716A (en) * | 1992-09-22 | 1994-02-15 | Tse Brakes, Inc. | Spring brake assembly having tamper-resistant welded housing and method for making same |
US5758564A (en) * | 1996-06-13 | 1998-06-02 | Tse Brakes, Inc. | Brake actuator and method of manufacture |
US6761253B1 (en) * | 2000-02-24 | 2004-07-13 | Westinghouse Air Brake Company | Spring applied parking brake assembly |
DE10109515B4 (de) * | 2000-02-28 | 2005-02-10 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Membran-Bremszylinder |
DE20022245U1 (de) * | 2000-02-28 | 2001-06-07 | Knorr Bremse Systeme | Kombinierter Betriebsbrems- und Federspeicherbremszylinder |
DE10009330A1 (de) * | 2000-02-28 | 2001-10-04 | Knorr Bremse Systeme | Kombinierter Betriebsbrems- und Federspeicherbremszylinder |
-
2002
- 2002-03-27 DE DE10214033A patent/DE10214033B4/de not_active Expired - Fee Related
-
2003
- 2003-03-21 EP EP03744832A patent/EP1490252B1/de not_active Expired - Lifetime
- 2003-03-21 DE DE50301680T patent/DE50301680D1/de not_active Expired - Lifetime
- 2003-03-21 CN CNB03807110XA patent/CN1296240C/zh not_active Expired - Lifetime
- 2003-03-21 AU AU2003226686A patent/AU2003226686A1/en not_active Abandoned
- 2003-03-21 US US10/509,039 patent/US7866765B2/en active Active
- 2003-03-21 AT AT03744832T patent/ATE309935T1/de not_active IP Right Cessation
- 2003-03-21 WO PCT/EP2003/002972 patent/WO2003080416A1/de not_active Application Discontinuation
- 2003-03-21 ES ES03744832T patent/ES2252684T3/es not_active Expired - Lifetime
- 2003-03-21 BR BRPI0308716-6A patent/BR0308716B1/pt active IP Right Grant
- 2003-03-21 DK DK03744832T patent/DK1490252T3/da active
-
2005
- 2005-11-25 HK HK05110697A patent/HK1078836A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HK1078836A1 (en) | 2006-03-24 |
DK1490252T3 (da) | 2006-03-27 |
WO2003080416A1 (de) | 2003-10-02 |
BR0308716B1 (pt) | 2012-09-04 |
DE10214033B4 (de) | 2006-02-23 |
DE50301680D1 (de) | 2005-12-22 |
BR0308716A (pt) | 2005-01-04 |
ES2252684T3 (es) | 2006-05-16 |
US7866765B2 (en) | 2011-01-11 |
ATE309935T1 (de) | 2005-12-15 |
CN1296240C (zh) | 2007-01-24 |
CN1642800A (zh) | 2005-07-20 |
DE10214033A1 (de) | 2003-10-16 |
AU2003226686A1 (en) | 2003-10-08 |
US20050199454A1 (en) | 2005-09-15 |
EP1490252A1 (de) | 2004-12-29 |
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